Update docs/tech_docs/OpenWrt.md

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2024-04-19 20:47:42 +00:00
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@@ -123,82 +123,4 @@ Alpine Container (ID: 300):
pct create 300 /var/lib/vz/template/cache/alpine-default-rootfs.tar.xz --unprivileged 1 --arch amd64 --ostype alpine --hostname alpine-0 --tag docker --storage local-lvm --cores 2 --memory 1024 --swap 256 --rootfs local-lvm:1,size=8G --net0 name=eth0,bridge=vmbr1,firewall=1
```
---
For your standalone Proxmox setup, switching between static and dynamic IP configurations and managing virtual bridges are important tasks. Below, I'll provide a concise guide to handle these changes effectively and safely.
### Switching from Static IP to DHCP:
- **Backup Configurations:** Always backup configuration files before making changes (`cp /etc/network/interfaces /etc/network/interfaces.bak`).
```bash
cp /etc/network/interfaces /etc/network/interfaces.bak
```
1. **Update Network Interface Configuration:**
- Open `/etc/network/interfaces` in a text editor:
```bash
nano /etc/network/interfaces
```
- Change the `vmbr0` configuration from static to DHCP:
```bash
auto vmbr0
iface vmbr0 inet dhcp
bridge-ports enp3s0
bridge-stp off
bridge-fd 0
```
- Save the changes and exit the editor.
2. **Restart Networking to Apply Changes:**
- Apply the new network settings:
```bash
systemctl restart networking
```
3. **Find the New DHCP-Assigned IP Address:**
- After the network restarts, check the assigned IP:
```bash
ip addr show vmbr0
```
4. **Update `/etc/hosts` with the New IP:**
- Edit the `/etc/hosts` file to replace the old static IP with the new one:
```bash
nano /etc/hosts
```
- Modify the line with the old IP to the new one you just obtained:
```plaintext
192.168.86.62 whitebox.foxtrot.lan whitebox # Old IP
192.168.x.x whitebox.foxtrot.lan whitebox # New DHCP IP
```
- Save and exit.
5. **Reserve IP in DHCP Server (Optional but Recommended):**
- To ensure the IP does not change on reboots, reserve the IP in your DHCP server settings to always assign the same IP to the MAC address of `vmbr0`.
### Creating a New Virtual Bridge (`vmbrX`):
1. **Add a New Virtual Bridge Configuration:**
- Edit `/etc/network/interfaces`:
```bash
nano /etc/network/interfaces
```
- Add a new bridge configuration at the end of the file:
```bash
auto vmbrX # Replace X with the next available number
iface vmbrX inet manual
bridge-ports none
bridge-stp off
bridge-fd 0
```
- Save and exit the editor.
2. **Activate the New Bridge:**
- Restart the networking service to bring up the new bridge:
```bash
systemctl restart networking
```
### General Notes:
## Notes